Dielectric properties and crystal structure of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics

Bing Jing Li; Sih Yin Wang; Yi Hong Liao; Yuan Bin Chen

doi:10.2109/jcersj2.122.955

Dielectric properties and crystal structure of (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ ceramics

Bing Jing Li, Sih Yin Wang, Yi Hong Liao, Yuan Bin Chen

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The prepared (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ (x = 0.010.009) ceramics are sintered at 12751425° C, the needed sintering temperatures of (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ ceramics slightly increased with the increase of Co⁴⁺ content. The sintering characteristics of (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ ceramics are developed by the X-ray diffraction patterns and SEM observations to find the influence of sintering temperatures and Sn4+ content on the crystal structure and the grain growth. The influence Co⁴⁺ content and sintering temperatures on the quality values (Q×f) and the temperature coefficient of resonant frequency (τf values) of (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ ceramics at microwave frequency are well developed in this study. As an optimal compose, (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ (x = 0.05) successfully demonstrated a dielectric constant of 14.70, a Q×f of 330,000GHz and a temperature coefficient of resonent frequency value of 48.18ppm/°C sintering at 1350°C.

Original language	English
Pages (from-to)	955-958
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	122
Issue number	1431
DOIs	https://doi.org/10.2109/jcersj2.122.955
Publication status	Published - 2014 Nov 1

All Science Journal Classification (ASJC) codes

Ceramics and Composites
General Chemistry
Condensed Matter Physics
Materials Chemistry

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title = "Dielectric properties and crystal structure of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics",

abstract = "The prepared (Mg1-xCox)2(Ti0.95Sn0.05)O4 (x = 0.010.009) ceramics are sintered at 12751425° C, the needed sintering temperatures of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics slightly increased with the increase of Co4+ content. The sintering characteristics of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics are developed by the X-ray diffraction patterns and SEM observations to find the influence of sintering temperatures and Sn4+ content on the crystal structure and the grain growth. The influence Co4+ content and sintering temperatures on the quality values (Q×f) and the temperature coefficient of resonant frequency (τf values) of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics at microwave frequency are well developed in this study. As an optimal compose, (Mg1-xCox)2(Ti0.95Sn0.05)O4 (x = 0.05) successfully demonstrated a dielectric constant of 14.70, a Q×f of 330,000GHz and a temperature coefficient of resonent frequency value of 48.18ppm/°C sintering at 1350°C.",

author = "Li, {Bing Jing} and Wang, {Sih Yin} and Liao, {Yi Hong} and Chen, {Yuan Bin}",

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AU - Li, Bing Jing

AU - Wang, Sih Yin

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AU - Chen, Yuan Bin

PY - 2014/11/1

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AB - The prepared (Mg1-xCox)2(Ti0.95Sn0.05)O4 (x = 0.010.009) ceramics are sintered at 12751425° C, the needed sintering temperatures of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics slightly increased with the increase of Co4+ content. The sintering characteristics of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics are developed by the X-ray diffraction patterns and SEM observations to find the influence of sintering temperatures and Sn4+ content on the crystal structure and the grain growth. The influence Co4+ content and sintering temperatures on the quality values (Q×f) and the temperature coefficient of resonant frequency (τf values) of (Mg1-xCox)2(Ti0.95Sn0.05)O4 ceramics at microwave frequency are well developed in this study. As an optimal compose, (Mg1-xCox)2(Ti0.95Sn0.05)O4 (x = 0.05) successfully demonstrated a dielectric constant of 14.70, a Q×f of 330,000GHz and a temperature coefficient of resonent frequency value of 48.18ppm/°C sintering at 1350°C.

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Dielectric properties and crystal structure of (Mg_1-xCo_x)₂(Ti_0.95Sn_0.05)O₄ ceramics

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